Fix database issues

CHANGES

@@ -1,3 +1,8 @@
+v0.7.6
+  - Corrected faulty version numbers in v0.7.5
+  - Improved logging of database errors
+  - Sanitized default configuration
+
 v0.7.5
   - Change build script to autotools
   - Updated PostgreSQL data provider to v3.1.9
@@ -41,4 +46,4 @@ v0.7.0
   - Updated jQuery to v2.2.4
 
 
-Changes prior to 0.7.0 is not recorded.
+Changes prior to 0.7.0 are not recorded.

DATABASE

@@ -0,0 +1,25 @@
+Manually setup a MySQL user on localhost
+----------------------------------------
+
+Log in as root:
+# mysql -uroot -p
+
+Create database and grant privileges:
+# CREATE DATABASE ntpa;
+# CREATE USER 'ntpau'@'localhost' IDENTIFIED BY 'password';
+# GRANT ALL PRIVILEGES ON ntpa . * TO 'ntpau'@'localhost';
+# FLUSH PRIVILEGES;
+
+
+Manually setup a MySQL user on a foreign host
+---------------------------------------------
+
+Log in as root:
+# mysql -uroot -p
+
+Create database and grant privileges:
+# CREATE DATABASE ntpa;
+# CREATE USER 'ntpau'@'192.168.1.1' IDENTIFIED BY 'password';
+# GRANT ALL PRIVILEGES ON ntpa . * TO 'ntpau'@'192.168.1.1';
+# FLUSH PRIVILEGES;
+

Ntp.Analyzer.Data/Log/LogExtensions.cs

@@ -53,20 +53,23 @@ namespace Ntp.Analyzer.Data.Log
 
         internal static void DeleteError(this LogBase log, string table, Exception e)
         {
-            log.WriteLine($"Error while deleting from table {table}: {e.Message}", Severity.Error);
+            log.WriteLine($"Error while deleting from table {table}: {e.Message}", Severity.Warn);
             log.WriteLine(e);
+            Advice(log);
         }
 
         internal static void InsertError(this LogBase log, string table, Exception e)
         {
-            log.WriteLine($"Error while inserting into table {table}: {e.Message}", Severity.Error);
+            log.WriteLine($"Error while inserting into table {table}: {e.Message}", Severity.Warn);
             log.WriteLine(e);
+            Advice(log);
         }
 
         internal static void ReadError(this LogBase log, string table, Exception e)
         {
-            log.WriteLine($"Error while reading from table {table}: {e.Message}", Severity.Error);
+            log.WriteLine($"Error while reading from table {table}: {e.Message}", Severity.Warn);
             log.WriteLine(e);
+            Advice(log);
         }
 
         internal static void TableExists(this LogBase log, string table)
@@ -78,8 +81,14 @@ namespace Ntp.Analyzer.Data.Log
 
         internal static void UpdateError(this LogBase log, string table, Exception e)
         {
-            log.WriteLine($"Error while updating table {table}: {e.Message}", Severity.Error);
+            log.WriteLine($"Error while updating table {table}: {e.Message}", Severity.Warn);
             log.WriteLine(e);
+            Advice(log);
+        }
+
+        private static void Advice(LogBase log)
+        {
+            log.WriteLine($"Try setting 'Create Yes' in configuration.", Severity.Notice);
         }
     }
 }

Ntp.Data/Log/LogExtensions.cs

@@ -109,6 +109,11 @@ namespace Ntp.Data.Log
 
         internal static void SchemaVersionError(this LogBase log, int database, int application)
         {
+            if (database == -1)
+            {
+                log.WriteLine("Database version is -1. Did you set 'Create Yes' in configuration ?", Severity.Notice);
+            }
+
             log.WriteLine(
                 $"Application version is {application} but database version is {database}.",
                  Severity.Error);